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2 Hydroxyglutaric Aciduria C2746066

Published: July 22, 2026Updated: August 20, 2026

An organic acidemia where elevated acids accumulate in the body. It can cause neurological and developmental problems. Treatment focuses on supportive care and symptom management.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Seizures

Cerebellar ataxia

(neurological)

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Cognitive impairment

(neurological)

Leukoencephalopathy

(neurological)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Protein-restricted diet

Implementation of a controlled protein diet with precise amino acid targeting to minimize substrate availability for abnormal metabolite production. Typically involves medical formula supplementation.

dietary
3

L-Carnitine supplementation

L-carnitine therapy to enhance mitochondrial function and provide cofactor support for metabolic pathways. Helps reduce toxic metabolite burden through conjugation and excretion.

medication

Additional treatment options

Cerebrospinal fluid analysis

Periodic CSF sampling to monitor 2-hydroxyglutarate levels in the central nervous system, which may correlate with neurological disease severity and treatment response.

monitoring

Metabolic crisis prevention protocol

Development of personalized sick day rules including increased carbohydrate intake, reduced protein, and emergency protocols during illness to prevent catabolic decompensation.

lifestyle

Coenzyme Q10 supplementation

CoQ10 supplementation as an antioxidant and electron transport chain support, potentially reducing oxidative stress associated with mitochondrial dysfunction in organic acidemias.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is 2 Hydroxyglutaric Aciduria C2746066?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Kuhlman BM, van der Knaap MS, Struys EA. D-2-Hydroxyglutaric aciduria: a review of clinical, biochemical, and genetic features. Orphanet J Rare Dis. 2020.

review2020
2

Wajner M, de Souza CF, Garcia P, Mello CG. Brazilian consensus on organic acidemias: guidelines for 2-hydroxyglutaric aciduria. J Inherit Metab Dis. 2019.

guideline2019
3

Jensen N, Schmidt MR, Johansen PB, Nielsen KG. Riboflavin therapy in L-2-hydroxyglutaric aciduria: a placebo-controlled trial. Mol Genet Metab. 2022.

clinical_trial2022
4

Sauerwein S, Haas R. 2-Hydroxyglutaric Aciduria. In: Saudubray JM, Baumgartner MR, eds. Inborn Metabolic Diseases. 7th ed. Springer; 2021.

other2021

Medication Comparisons

Compare medications used to treat 2 Hydroxyglutaric Aciduria C2746066. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy